672637606 has 16 divisors (see below), whose sum is σ = 1085823360. Its totient is φ = 311345280.

The previous prime is 672637591. The next prime is 672637607. The reversal of 672637606 is 606736276.

It is a super-2 number, since 2×672637606² = 904882698010822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672637607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160086 + ... + 164233.

It is an arithmetic number, because the mean of its divisors is an integer number (67863960).

Almost surely, 2^672637606 is an apocalyptic number.

672637606 is a deficient number, since it is larger than the sum of its proper divisors (413185754).

672637606 is a wasteful number, since it uses less digits than its factorization.

672637606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324399.

The product of its (nonzero) digits is 381024, while the sum is 43.

The square root of 672637606 is about 25935.2579705697. The cubic root of 672637606 is about 876.1807649799.

The spelling of 672637606 in words is "six hundred seventy-two million, six hundred thirty-seven thousand, six hundred six".